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Accurately depicts instability of the right ankle ligaments with corrective surgery. Labels for the peroneus longus muscle, peroneus brevis muscle, calcaneo-fibular ligament, and talo-fibular ligament. Surgical steps: 1. Incision exposing deteriorated ankle ligaments; 2. Drilling of ankle bones with section of the peroneous brevis muscle tendon used to replace the ligaments; and 3. Placement of tendonous graft into drilled holes in the fibula and talus, anchored by sutures.